This painting shows an object colliding with Earth. What is thought to have happened as a result of this collision?
A) It blasted away debris that then accreted in Earth orbit to form the Moon.
B) It led to the extinction of the dinosaurs.
C) The impact released the heat that allowed Earth to undergo differentiation.
D) The impact changed Earth's orbit from one on which life would have been unlikely to our current orbit in which life flourishes.
A) It blasted away debris that then accreted in Earth orbit to form the Moon.
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Work done by STATIC FRICTION is always
A) along the surface. B) perpendicular to the surface. C) positive. D) negative. E) zero.
A wood stove in the corner of a cabin causes the entire cabin to become heated. This is an example of
a. heat conduction. b. heat convection. c. heat radiation. d. thermal expansion. e. none of the above.
When the Moon appears on an observer's meridian at midnight, it is called a(n) ______________ moon
Fill in the blank(s) with correct word
Coal, gas, and oil are ______________ fuels
Fill in the blank(s) with correct word